SMCJ9.0CA-M3/9AT Equivalent & Substitute Parts

Part Overview

The SMCJ9.0CA-M3/9AT is a bidirectional transient voltage suppressor (TVS) diode manufactured by Vishay General Semiconductor - Diodes Division. This surface mount component operates in the 9V reverse standoff category and provides transient protection for general-purpose applications. The part is active in production status with full RoHS3 compliance and unlimited moisture sensitivity rating. Substitute parts are identified to address inventory availability, extended lead times, or specific packaging and thermal requirements while maintaining electrical and mechanical compatibility.

Substiute Parts

SMCJ9.0CA-M3/9AT

Vishay General Semiconductor - Diodes DivisionIn Stock: 935SMCJ9.0CA-M3/9AT Datasheet

Current PartRFQ

SMCJ9.0CA-E3/57T

Vishay General Semiconductor - Diodes DivisionIn Stock: 18166SMCJ9.0CA-E3/57T Datasheet

DirectRFQ

SMCJ9.0CA

Taiwan Semiconductor CorporationIn Stock: 84258SMCJ9.0CA Datasheet

DirectRFQ

SMCJ9.0CA-13-F

Diodes IncorporatedIn Stock: 7460SMCJ9.0CA-13-F Datasheet

DirectRFQ

SMCJ9.0CA-TP

Micro Commercial CoIn Stock: 4169SMCJ9.0CA-TP Datasheet

DirectRFQ

SMDJ9.0CA

Alpha & Omega Semiconductor Inc.In Stock: 30319SMDJ9.0CA Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the SMCJ9.0CA-M3/9AT is determined by the following critical parameters:

Mandatory Matching Parameters:

• Voltage - Reverse Standoff (Typ): 9V
• Voltage - Breakdown (Min): 10V
• Voltage - Clamping (Max) @ Ipp: 15.4V
• Package / Case: DO-214AB, SMC
• Mounting Type: Surface Mount
• Type: Zener
• Bidirectional Channels: 1
• Operating Temperature Range: -55°C minimum and 150°C maximum (or extended)

Allowable Variation Parameters:

• Current - Peak Pulse (10/1000µs): 97.4A or higher
• Power - Peak Pulse: 1500W or higher
• Manufacturer: Different manufacturers permitted
• Packaging designation: Tape & Reel or equivalent
• RoHS and REACH compliance status: Must maintain ROHS3 Compliant and REACH Unaffected

All identified substitute parts maintain identical voltage specifications and package form factor. Variations in peak pulse current and power dissipation represent enhanced or equivalent performance characteristics suitable for direct substitution.

Parameter Comparison

Engineering Selection Recommendations

All identified substitute parts maintain full electrical compatibility with the SMCJ9.0CA-M3/9AT across voltage specifications and package form factor. Selection among substitutes is based on the following criteria:

Direct Equivalents (Identical Specifications): SMCJ9.0CA-E3/57T and SMCJ9.0CA-13-F provide identical electrical performance and thermal ratings. These parts are suitable for direct one-to-one replacement without circuit redesign.

Enhanced Performance Substitutes: SMCJ9.0CA (Taiwan Semiconductor Corporation) offers marginally higher peak pulse current (102A vs. 97.4A) while maintaining all other specifications. This represents equivalent or superior performance.

SMCJ9.0CA-TP (Micro Commercial Co) extends the maximum operating temperature to 175°C, providing enhanced thermal margin for applications requiring extended temperature operation beyond the standard 150°C rating.

SMDJ9.0CA (Alpha & Omega Semiconductor Inc.) provides doubled power dissipation capability (3000W vs. 1500W) and doubled peak pulse current (194.9A vs. 97.4A). This part is suitable for applications requiring higher transient energy absorption while maintaining identical voltage clamping characteristics.

Compliance Verification: All substitute parts maintain ROHS3 compliance and REACH Unaffected status, ensuring regulatory alignment with the original component.

Frequently Asked Questions (FAQ)

Q: Can SMDJ9.0CA be used as a direct replacement for SMCJ9.0CA-M3/9AT?

A: Yes. SMDJ9.0CA maintains identical voltage specifications (9V reverse standoff, 15.4V clamping) and package form factor (DO-214AB, SMC). The higher power rating (3000W vs. 1500W) and peak pulse current (194.9A vs. 97.4A) represent enhanced performance suitable for direct substitution. No circuit modifications are required.

Q: What is the difference between SMCJ9.0CA-E3/57T and SMCJ9.0CA-M3/9AT?

A: Both parts are manufactured by Vishay and share identical electrical specifications. The difference lies in packaging designation and tape reel configuration. SMCJ9.0CA-E3/57T uses the E3/57T packaging variant while SMCJ9.0CA-M3/9AT uses the M3/9AT variant. Electrical performance and compatibility are equivalent.

Q: Is SMCJ9.0CA-TP suitable for high-temperature applications?

A: SMCJ9.0CA-TP extends the maximum operating temperature to 175°C compared to the standard 150°C rating of SMCJ9.0CA-M3/9AT. This part is suitable for applications requiring operation at elevated temperatures while maintaining all other electrical specifications.

Q: Do all substitute parts use the same DO-214AB package?

A: Yes. All identified substitute parts use the DO-214AB (SMC) surface mount package, ensuring mechanical and footprint compatibility with the original SMCJ9.0CA-M3/9AT design.

Q: Are there any restrictions on using Taiwan Semiconductor Corporation SMCJ9.0CA as a substitute?

A: No. SMCJ9.0CA from Taiwan Semiconductor Corporation maintains full electrical compatibility, identical package specifications, and equivalent RoHS3 compliance. The marginally higher peak pulse current (102A vs. 97.4A) represents equivalent or superior performance.

Q: What certifications do all substitute parts maintain?

A: All substitute parts maintain ROHS3 compliance and REACH Unaffected status, matching the regulatory certifications of the original SMCJ9.0CA-M3/9AT component.